Compendium of ERT soil sampling and surface geophysics procedures : interim final.

Mode of access: Internet.

Distribution of phytoplankton in Maryland lakes /

Mode of access: Internet.

Distribution of phytoplankton in West Virginia lakes /

Mode of access: Internet.

Automated In Situ Water Quality Sensor Workshop, February 14-16, 1978 : [proceedings] /

Mode of access: Internet.

Information documents on automobile emissions inspection and maintenance programs ; final report /

Bibliography: p. 77-92.

Use of solar energy to heat anaerobic digesters : part I, technical and economic feasibility study : part II, economic feasibility throughout the United States /

Mode of access: Internet.

Manual for evaluating secondary impacts of wastewater treatment facilities /

Prepared under contract no. 68-01-3268.

Physical and economic damage functions for air pollutants by receptor /

Bibliography: p. 143-152.

Acute and chronic toxicity of HCN to fish and invertebrates /

"January 1979."

Results of a joint U.S.A./U.S.S.R. hydrodynamic and transport modeling project /

"February 1979."

Effects of suspended solids and sediment on reproduction and early life of warmwater fishes : a review /

Mode of access: Internet.

Biological availability of pollutants to marine organisms /

Contract IAG-D-40541.

Simulation of nutrient loss from soils due to rainfall acidity /

Bibliography: p. 43-44.

Procedures for quantitative ecological assessments in intertidal environments /

Mode of access: Internet.

Ethylmercury : formation in plant tissues and relation to methylmercury formation /

Mode of access: Internet.